package com.po;

import java.util.Date;
import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * OpMetadata entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.po.OpMetadata
 * @author MyEclipse Persistence Tools
 */

public class OpMetadataDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(OpMetadataDAO.class);
	// property constants
	public static final String META_VALUE = "metaValue";
	public static final String CREATE_USER_ID = "createUserId";
	public static final String MODIFY_USER_ID = "modifyUserId";
	public static final String DEPT_ID = "deptId";
	public static final String CHINESE_NAME = "chineseName";
	public static final String PARENT_META_ID = "parentMetaId";

	public void save(OpMetadata transientInstance) {
		log.debug("saving OpMetadata instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(OpMetadata persistentInstance) {
		log.debug("deleting OpMetadata instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public OpMetadata findById(com.po.OpMetadataId id) {
		log.debug("getting OpMetadata instance with id: " + id);
		try {
			OpMetadata instance = (OpMetadata) getSession().get(
					"com.po.OpMetadata", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(OpMetadata instance) {
		log.debug("finding OpMetadata instance by example");
		try {
			List results = getSession().createCriteria("com.po.OpMetadata")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding OpMetadata instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from OpMetadata as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByMetaValue(Object metaValue) {
		return findByProperty(META_VALUE, metaValue);
	}

	public List findByCreateUserId(Object createUserId) {
		return findByProperty(CREATE_USER_ID, createUserId);
	}

	public List findByModifyUserId(Object modifyUserId) {
		return findByProperty(MODIFY_USER_ID, modifyUserId);
	}

	public List findByDeptId(Object deptId) {
		return findByProperty(DEPT_ID, deptId);
	}

	public List findByChineseName(Object chineseName) {
		return findByProperty(CHINESE_NAME, chineseName);
	}

	public List findByParentMetaId(Object parentMetaId) {
		return findByProperty(PARENT_META_ID, parentMetaId);
	}

	public List findAll() {
		log.debug("finding all OpMetadata instances");
		try {
			String queryString = "from OpMetadata";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public OpMetadata merge(OpMetadata detachedInstance) {
		log.debug("merging OpMetadata instance");
		try {
			OpMetadata result = (OpMetadata) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(OpMetadata instance) {
		log.debug("attaching dirty OpMetadata instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(OpMetadata instance) {
		log.debug("attaching clean OpMetadata instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}